Ruca or RUCA may refer to:
Ruca, Côtes-d'Armor, a commune in France Ruca (house type), a traditional Mapuche house type Rural–urban commuting area, a classification scheme used by the United States Census Bureau
People Ruca (footballer, born January 1990), Portuguese footballer for Oliveira do Hospital Ruca (footballer, born September 1990), Portuguese footballer for Penafiel